Automotive Electromagnetic Relays
(474)A relay is an electrical connector with contacts controlled by an electromagnet. Depending on the type, they can be normally open, normally closed or open/closed. The main difference between relays used in electronic devices and automotive relays is in the design. An automotive relay provides an increased guarantee of reliability in a difficult environment (pollution, high temperature, range of temperature changes, mechanical vibrations of different amplitude and frequency), and in case of damage it has to be easily replaced. Some contacts of automotive relays must conduct a significant current which is used to power lighting, window heating, ignition system and other circuits.
To meet such wide requirements, automotive relays are either inserted into a socket or are equipped with disconnectable terminals. They are also equipped with reinforced springs that ensure reliable contact of the contacts even in the presence of vibrations. They often feature an open housing to ensure easy ventilation of the contacts, and to remove the ionized gas between them, which prevents the formation of an electric arc.
Automotive relays – how they are controlled?
Automotive relays are controlled in a similar way as standard electromagnetic relays. Usually, the coil is powered by the voltage available in the vehicle (12V or 24V DC). Relay contacts, depending on their design and purpose, can conduct a current of significant value (even above 100A).
Types of automotive relays
In modern vehicles relays are often used, because not only they switch a significant current, they can also switch low-current circuits. Depending on the intended use, they can be screwed, placed in a socket, equipped with screw terminals or leads adapted to popular slide connectors.
What is more, solid state relays are now commonly used in vehicles, the use of which is easier because in most cases we deal with DC voltage, which is easily commutated with MOS transistors. The relay can have a ventilated or hermetic housing. Many relays used in cars, especially those that connect circuits that carry high current, have an open design.
Basic parameters of relays
The basic parameters of the relay include: contact configuration, maximum load current, coil control voltage, type of housing, relay mounting (socket, panel, soldered, screwed, etc.). Dimensions will also be important in some applications.
How to choose a relay for use in the vehicle?
When selecting an automotive relay for use in a vehicle, the general rules for the relays must be followed. The coil supply voltage will depend on the voltage available in the vehicle installation. The forward current of the contacts and the material from which they are made will be of great importance. Open relays should be used to switch the high-current load, but remember that they should be protected against environmental influences.
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Relay: electromagnetic; SPDT; Ucoil: 12VDC; 40A; automotive; LD
Manufacturer part number: LD-12P
Manufacturer: Recoy/RAYEX ELECTRONICS
Net price for quantities from 1 pcs - 2.31 USDGross price for quantities from 1 pcs - 2.31 USD
Net price for quantities from 10 pcs - 2.13 USDGross price for quantities from 10 pcs - 2.13 USD
Net price for quantities from 40 pcs - 1.70 USDGross price for quantities from 40 pcs - 1.70 USD
Net price for quantities from 260 pcs - 1.40 USDGross price for quantities from 260 pcs - 1.40 USD
Net price for quantities from 1000 pcs - 1.26 USDGross price for quantities from 1000 pcs - 1.26 USD
8579 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 50A; automotive; FRC2
Manufacturer part number: FRC2C-DC12
Manufacturer: FORWARD INDUSTRIAL CO.
Net price for quantities from 1 pcs - 2.83 USDGross price for quantities from 1 pcs - 2.83 USD
Net price for quantities from 5 pcs - 2.71 USDGross price for quantities from 5 pcs - 2.71 USD
Net price for quantities from 20 pcs - 2.61 USDGross price for quantities from 20 pcs - 2.61 USD
Net price for quantities from 100 pcs - 2.50 USDGross price for quantities from 100 pcs - 2.50 USD
Net price for quantities from 500 pcs - 2.32 USDGross price for quantities from 500 pcs - 2.32 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 40A; automotive; AZ9731
Manufacturer part number: AZ9731-1C-12DC3R1
Manufacturer: ZETTLER
Net price for quantities from 1 pcs - 2.27 USDGross price for quantities from 1 pcs - 2.27 USD
Net price for quantities from 5 pcs - 1.93 USDGross price for quantities from 5 pcs - 1.93 USD
Net price for quantities from 20 pcs - 1.78 USDGross price for quantities from 20 pcs - 1.78 USD
Net price for quantities from 100 pcs - 1.63 USDGross price for quantities from 100 pcs - 1.63 USD
Net price for quantities from 500 pcs - 1.50 USDGross price for quantities from 500 pcs - 1.50 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 24VDC; 50A; automotive; FRC2
Manufacturer part number: FRC2C-DC24
Manufacturer: FORWARD INDUSTRIAL CO.
Net price for quantities from 1 pcs - 2.41 USDGross price for quantities from 1 pcs - 2.41 USD
Net price for quantities from 5 pcs - 2.21 USDGross price for quantities from 5 pcs - 2.21 USD
Net price for quantities from 20 pcs - 1.95 USDGross price for quantities from 20 pcs - 1.95 USD
Net price for quantities from 100 pcs - 1.70 USDGross price for quantities from 100 pcs - 1.70 USD
Net price for quantities from 500 pcs - 1.59 USDGross price for quantities from 500 pcs - 1.59 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 25A; automotive; K; 254Ω
Manufacturer part number: 1393280-6
Manufacturer: TE Connectivity
Net price for quantities from 1 pcs - 2.51 USDGross price for quantities from 1 pcs - 2.51 USD
Net price for quantities from 10 pcs - 2.21 USDGross price for quantities from 10 pcs - 2.21 USD
Net price for quantities from 25 pcs - 1.84 USDGross price for quantities from 25 pcs - 1.84 USD
Net price for quantities from 40 pcs - 1.77 USDGross price for quantities from 40 pcs - 1.77 USD
2852 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 80A; automotive; AM3
Manufacturer part number: AM3-12P
Manufacturer: Recoy/RAYEX ELECTRONICS
Net price for quantities from 1 pcs - 4.80 USDGross price for quantities from 1 pcs - 4.80 USD
Net price for quantities from 5 pcs - 4.31 USDGross price for quantities from 5 pcs - 4.31 USD
Net price for quantities from 30 pcs - 3.64 USDGross price for quantities from 30 pcs - 3.64 USD
Net price for quantities from 128 pcs - 3.26 USDGross price for quantities from 128 pcs - 3.26 USD
Net price for quantities from 480 pcs - 2.78 USDGross price for quantities from 480 pcs - 2.78 USD
1372 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPST-NO; Ucoil: 12VDC; 70A; automotive
Manufacturer part number: FRC3A-DC12
Manufacturer: FORWARD INDUSTRIAL CO.
Net price for quantities from 1 pcs - 3.08 USDGross price for quantities from 1 pcs - 3.08 USD
Net price for quantities from 5 pcs - 2.56 USDGross price for quantities from 5 pcs - 2.56 USD
Net price for quantities from 20 pcs - 2.24 USDGross price for quantities from 20 pcs - 2.24 USD
Net price for quantities from 100 pcs - 2.03 USDGross price for quantities from 100 pcs - 2.03 USD
Net price for quantities from 500 pcs - 1.83 USDGross price for quantities from 500 pcs - 1.83 USD
673 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT x2; Ucoil: 12VDC; 30A; automotive
Manufacturer part number: EX2-2U1(S)
Manufacturer: NEC
Net price for quantities from 1 pcs - 2.65 USDGross price for quantities from 1 pcs - 2.65 USD
Net price for quantities from 5 pcs - 1.84 USDGross price for quantities from 5 pcs - 1.84 USD
Net price for quantities from 20 pcs - 1.71 USDGross price for quantities from 20 pcs - 1.71 USD
Net price for quantities from 120 pcs - 1.57 USDGross price for quantities from 120 pcs - 1.57 USD
110 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPST-NO; Ucoil: 12VDC; 40A; automotive
Manufacturer part number: S10-1A-C1-12VDC
Manufacturer: SHORI ELECTRIC
Net price for quantities from 1 pcs - 1.60 USDGross price for quantities from 1 pcs - 1.60 USD
Net price for quantities from 5 pcs - 1.46 USDGross price for quantities from 5 pcs - 1.46 USD
Net price for quantities from 20 pcs - 1.32 USDGross price for quantities from 20 pcs - 1.32 USD
Net price for quantities from 100 pcs - 1.27 USDGross price for quantities from 100 pcs - 1.27 USD
Net price for quantities from 500 pcs - 1.13 USDGross price for quantities from 500 pcs - 1.13 USD
1173 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 40A; automotive; S10
Manufacturer part number: S10-1C-C1-12VDC
Manufacturer: SHORI ELECTRIC
Net price for quantities from 1 pcs - 1.93 USDGross price for quantities from 1 pcs - 1.93 USD
Net price for quantities from 5 pcs - 1.70 USDGross price for quantities from 5 pcs - 1.70 USD
Net price for quantities from 20 pcs - 1.54 USDGross price for quantities from 20 pcs - 1.54 USD
Net price for quantities from 100 pcs - 1.45 USDGross price for quantities from 100 pcs - 1.45 USD
Net price for quantities from 500 pcs - 1.35 USDGross price for quantities from 500 pcs - 1.35 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 30A; automotive; 124Ω
Manufacturer part number: HFV6-K/012ZL-TR
Manufacturer: HONGFA RELAY
Net price for quantities from 1 pcs - 2.01 USDGross price for quantities from 1 pcs - 2.01 USD
Net price for quantities from 5 pcs - 1.95 USDGross price for quantities from 5 pcs - 1.95 USD
Net price for quantities from 50 pcs - 1.81 USDGross price for quantities from 50 pcs - 1.81 USD
Net price for quantities from 100 pcs - 1.67 USDGross price for quantities from 100 pcs - 1.67 USD
Net price for quantities from 500 pcs - 1.57 USDGross price for quantities from 500 pcs - 1.57 USD
5378 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 20A; automotive; 119Ω
Manufacturer part number: 4-1904124-3
Manufacturer: TE Connectivity
Net price for quantities from 1 pcs - 5.79 USDGross price for quantities from 1 pcs - 5.79 USD
Net price for quantities from 10 pcs - 5.41 USDGross price for quantities from 10 pcs - 5.41 USD
Net price for quantities from 25 pcs - 5.22 USDGross price for quantities from 25 pcs - 5.22 USD
2075 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 25A; automotive; FRC7
Manufacturer part number: FRC7C-S-DC12V
Manufacturer: FORWARD INDUSTRIAL CO.
Net price for quantities from 1 pcs - 2.32 USDGross price for quantities from 1 pcs - 2.32 USD
Net price for quantities from 5 pcs - 2.07 USDGross price for quantities from 5 pcs - 2.07 USD
Net price for quantities from 25 pcs - 1.89 USDGross price for quantities from 25 pcs - 1.89 USD
Net price for quantities from 100 pcs - 1.67 USDGross price for quantities from 100 pcs - 1.67 USD
Net price for quantities from 500 pcs - 1.60 USDGross price for quantities from 500 pcs - 1.60 USD
381 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 20A; automotive; LQ
Manufacturer part number: LQ-12S
Manufacturer: Recoy/RAYEX ELECTRONICS
Net price for quantities from 2 pcs - 0.71 USDGross price for quantities from 2 pcs - 0.71 USD
Net price for quantities from 10 pcs - 0.60 USDGross price for quantities from 10 pcs - 0.60 USD
Net price for quantities from 50 pcs - 0.55 USDGross price for quantities from 50 pcs - 0.55 USD
Net price for quantities from 250 pcs - 0.48 USDGross price for quantities from 250 pcs - 0.48 USD
Net price for quantities from 1000 pcs - 0.44 USDGross price for quantities from 1000 pcs - 0.44 USD
2180 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 24VDC; 40A; automotive; S10
Manufacturer part number: S10-1C-C1-24VDC
Manufacturer: SHORI ELECTRIC
Net price for quantities from 1 pcs - 2.06 USDGross price for quantities from 1 pcs - 2.06 USD
Net price for quantities from 5 pcs - 1.89 USDGross price for quantities from 5 pcs - 1.89 USD
Net price for quantities from 20 pcs - 1.74 USDGross price for quantities from 20 pcs - 1.74 USD
Net price for quantities from 120 pcs - 1.56 USDGross price for quantities from 120 pcs - 1.56 USD
Net price for quantities from 600 pcs - 1.40 USDGross price for quantities from 600 pcs - 1.40 USD
192 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPST-NO; Ucoil: 24VDC; 70A; automotive
Manufacturer part number: FRC3A-DC24
Manufacturer: FORWARD INDUSTRIAL CO.
Net price for quantities from 1 pcs - 3.23 USDGross price for quantities from 1 pcs - 3.23 USD
Net price for quantities from 5 pcs - 2.69 USDGross price for quantities from 5 pcs - 2.69 USD
Net price for quantities from 20 pcs - 2.41 USDGross price for quantities from 20 pcs - 2.41 USD
Net price for quantities from 100 pcs - 2.23 USDGross price for quantities from 100 pcs - 2.23 USD
Net price for quantities from 500 pcs - 2.00 USDGross price for quantities from 500 pcs - 2.00 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPST-NO; Ucoil: 12VDC; 40A; automotive
Manufacturer part number: AZ9731-1A-12DC1
Manufacturer: ZETTLER
Net price for quantities from 1 pcs - 2.06 USDGross price for quantities from 1 pcs - 2.06 USD
Net price for quantities from 25 pcs - 1.91 USDGross price for quantities from 25 pcs - 1.91 USD
Net price for quantities from 100 pcs - 1.75 USDGross price for quantities from 100 pcs - 1.75 USD
Net price for quantities from 500 pcs - 1.65 USDGross price for quantities from 500 pcs - 1.65 USD
Net price for quantities from 1000 pcs - 1.45 USDGross price for quantities from 1000 pcs - 1.45 USD
1689 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 24VDC; 80A; automotive; AM3
Manufacturer part number: AM3-24P
Manufacturer: Recoy/RAYEX ELECTRONICS
Net price for quantities from 1 pcs - 4.67 USDGross price for quantities from 1 pcs - 4.67 USD
Net price for quantities from 5 pcs - 4.20 USDGross price for quantities from 5 pcs - 4.20 USD
Net price for quantities from 30 pcs - 3.53 USDGross price for quantities from 30 pcs - 3.53 USD
Net price for quantities from 128 pcs - 3.17 USDGross price for quantities from 128 pcs - 3.17 USD
Net price for quantities from 480 pcs - 2.70 USDGross price for quantities from 480 pcs - 2.70 USD
282 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 12VDC; 40A; automotive; FRA2
Manufacturer part number: FRA2C-S2-DC12
Manufacturer: FORWARD INDUSTRIAL CO.
Net price for quantities from 1 pcs - 2.09 USDGross price for quantities from 1 pcs - 2.09 USD
Net price for quantities from 5 pcs - 1.62 USDGross price for quantities from 5 pcs - 1.62 USD
Net price for quantities from 25 pcs - 1.51 USDGross price for quantities from 25 pcs - 1.51 USD
Net price for quantities from 120 pcs - 1.43 USDGross price for quantities from 120 pcs - 1.43 USD
Net price for quantities from 520 pcs - 1.35 USDGross price for quantities from 520 pcs - 1.35 USD
0 in TME stock
No. of pieces (Multiplicity: 1)
Relay: electromagnetic; SPDT; Ucoil: 24VDC; 45A; automotive; F4
Manufacturer part number: 6-1393302-3
Manufacturer: TE Connectivity
Net price for quantities from 1 pcs - 11.71 USDGross price for quantities from 1 pcs - 11.71 USD
Net price for quantities from 10 pcs - 10.73 USDGross price for quantities from 10 pcs - 10.73 USD
Net price for quantities from 200 pcs - 10.05 USDGross price for quantities from 200 pcs - 10.05 USD
1263 in TME stock
No. of pieces (Multiplicity: 1)